I wrote my Tuesday column on the Giants and Matt Cain, how they gave him a whopper extension, and why that’s very very good. In a way, the Giants defined their franchise once again as a team that keeps its key players and competes with other teams in terms of contracts. It would have been very bad for the Giants to lose Matt Cain to, say, the Red Sox or Yankees or Dodgers. To read my column on the importance of this signing, please click here.